/*
 * Copyright (C) 2014 Apocalypse Laboratories.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */
package net.apocalypselabs.symat;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import javax.swing.ImageIcon;
import javax.swing.JInternalFrame;

/**
 *
 * @author Skylar
 */
public class MainGUI extends javax.swing.JFrame {

    public static final String APP_NAME = "SyMAT 0.5";
    public static final double APP_CODE = 0.5;

    /**
     * Creates new form MainGUI
     */
    public MainGUI() {
        initComponents();
        setIconImage((new ImageIcon(getClass().getResource("icon.png"))).getImage());
        setLocationRelativeTo(null);
        try {
            URL url = new URL("http://symat.aplabs.us/version.txt");
            InputStream is = url.openStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));

            String line = br.readLine();
            br.close();
            is.close();
            double version = Double.parseDouble(line);
            if (version > APP_CODE) {
                if (PrefStorage.getSetting("update-ignore").equals(APP_CODE+"|"+version)) {
                    System.err.println("An update was found, but has been ignored by the user.");
                } else {
                    loadFrame(new Update(version));
                }
            }
        } catch (IOException | NumberFormatException e) {
            System.err.println("Fail:  Cannot check update server.  \n"
                             + "       Assuming local copy up-to-date.");
        }
        Interpreter sh = new Interpreter();
        loadFrame(sh);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        mainPane = new javax.swing.JDesktopPane();
        jToolBar1 = new javax.swing.JToolBar();
        shellBtn = new javax.swing.JButton();
        editorBtn = new javax.swing.JButton();
        graphBtn = new javax.swing.JButton();
        helpBtn = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle(APP_NAME);
        addComponentListener(new java.awt.event.ComponentAdapter() {
            public void componentShown(java.awt.event.ComponentEvent evt) {
                formComponentShown(evt);
            }
        });

        mainPane.setBackground(new java.awt.Color(204, 204, 204));

        javax.swing.GroupLayout mainPaneLayout = new javax.swing.GroupLayout(mainPane);
        mainPane.setLayout(mainPaneLayout);
        mainPaneLayout.setHorizontalGroup(
            mainPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 690, Short.MAX_VALUE)
        );
        mainPaneLayout.setVerticalGroup(
            mainPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 416, Short.MAX_VALUE)
        );

        jToolBar1.setFloatable(false);
        jToolBar1.setRollover(true);

        shellBtn.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/apocalypselabs/symat/shell.png"))); // NOI18N
        shellBtn.setText("Shell");
        shellBtn.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        shellBtn.setFocusable(false);
        shellBtn.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        shellBtn.setOpaque(false);
        shellBtn.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        shellBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                shellBtnActionPerformed(evt);
            }
        });
        jToolBar1.add(shellBtn);

        editorBtn.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/apocalypselabs/symat/editor.png"))); // NOI18N
        editorBtn.setText("Editor");
        editorBtn.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        editorBtn.setFocusable(false);
        editorBtn.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        editorBtn.setOpaque(false);
        editorBtn.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        editorBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                editorBtnActionPerformed(evt);
            }
        });
        jToolBar1.add(editorBtn);

        graphBtn.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/apocalypselabs/symat/graph.png"))); // NOI18N
        graphBtn.setText("Graph");
        graphBtn.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        graphBtn.setFocusable(false);
        graphBtn.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        graphBtn.setOpaque(false);
        graphBtn.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        graphBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                graphBtnActionPerformed(evt);
            }
        });
        jToolBar1.add(graphBtn);

        helpBtn.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/apocalypselabs/symat/help.png"))); // NOI18N
        helpBtn.setText("Help");
        helpBtn.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        helpBtn.setFocusable(false);
        helpBtn.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        helpBtn.setOpaque(false);
        helpBtn.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        helpBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                helpBtnActionPerformed(evt);
            }
        });
        jToolBar1.add(helpBtn);

        jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.TRAILING);
        jLabel1.setText("<html>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style=\"color: gray; font-size: 130%;\"><i>"+APP_NAME+"</i></span>");
        jToolBar1.add(jLabel1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(mainPane)
            .addComponent(jToolBar1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 63, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(mainPane))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void shellBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_shellBtnActionPerformed
        Interpreter i = new Interpreter();
        loadFrame(i);
    }//GEN-LAST:event_shellBtnActionPerformed

    private void editorBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_editorBtnActionPerformed
        CodeEditor e = new CodeEditor();
        loadFrame(e);
    }//GEN-LAST:event_editorBtnActionPerformed

    private void graphBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_graphBtnActionPerformed
        Graph g = new Graph();
        loadFrame(g);
    }//GEN-LAST:event_graphBtnActionPerformed

    private void helpBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_helpBtnActionPerformed
        Help h = new Help();
        loadFrame(h);
    }//GEN-LAST:event_helpBtnActionPerformed

    private void formComponentShown(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_formComponentShown
        setLocationRelativeTo(null);
    }//GEN-LAST:event_formComponentShown

    public static void loadFrame(JInternalFrame frame) {
        mainPane.add(frame);
        frame.setLocation(
                (mainPane.getWidth() / 2) - (frame.getWidth() / 2),
                (mainPane.getHeight() / 2) - (frame.getHeight() / 2));
        frame.setVisible(true);
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(MainGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                new MainGUI().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton editorBtn;
    private javax.swing.JButton graphBtn;
    private javax.swing.JButton helpBtn;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JToolBar jToolBar1;
    public static javax.swing.JDesktopPane mainPane;
    private javax.swing.JButton shellBtn;
    // End of variables declaration//GEN-END:variables
}